Method and apparatus for underwater trench excavation and pipeli

Details Method and apparatus for underwater trench excavation and pipeli Method and apparatus for underwater trench excavation and pipeli

1975-01-22

1976-09-07

Shapiro, Jacob

37 58, 37 63, E02F 506, F16L 100

Patent

active

039786790

ABSTRACT:
In the excavation of a trench on the seabed for receiving a pipeline, the pipeline is first laid on the seabed and subsequently the trench is excavated by an excavation machine which moves along side the pipeline and digs out material from beneath the pipeline. The machine contacts the pipeline to provide a control on the position of the machine relative to the pipeline and is self motivated.

REFERENCES:
patent: 3103790 (1963-09-01), Popich
patent: 3429131 (1969-02-01), Martin
patent: 3462963 (1969-08-01), Moore
patent: 3590589 (1971-07-01), Smulders
patent: 3857250 (1974-12-01), Tella

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